//
// Created by zhuyijun on 2021/8/4.
//

#include <iostream>

using namespace std;

int main() {
    cout << "enter a word : ";
    string word;
    cin >> word;
    char temp;
    int i, j;
    for (j = 0, i = word.size() - 1; j < i; --i, ++j) {
        temp = word[i];
        word[i] = word[j];
        word[j] = temp;
    }
    cout << word << "\nDone\n";


    int m=0,n= 0;
    m,n = 2,3;
    cout << m << " " << n;
    return 0;
}